Hardware Spec Index

Brontix FN-7640 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN7640-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index390 (Case Fans scale)
Category rank#23,818
Street price$9
Power3 W
Performance per dollar43.33
Released2024

Specifications

BrandBrontix
ModelBrontix FN-7640 Ultra
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7640 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/9004801 (accessed 2026-10-23).